@misc{abetz_komplexe_systeme_2006, 
author={Abetz, V.},
title={Komplexe Systeme},
year={2006},
howpublished = {lecture: Christian-Albrechts-Universitaet,  Chemie; 28.11.-05.12.2006},
note = {Online available at: \url{} (DOI). Abetz, V.: Komplexe Systeme. Christian-Albrechts-Universitaet,  Chemie, 2006.}}